Prosthetic intervertebral discs having cast end plates and methods for making and using them
AssigneeSpinal Kinetics, Inc.
InventorJanine C. Robinson
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Abstract
This description deals with a medical device, specifically a prosthetic intervertebral disc having a compressible core and at least one cast, polymeric end plate.
Claims22
A prosthetic intervertebral disc comprising:
- first and second end plates, and
- a compressible core member positioned between said first and second end plates, wherein at least one of the first and second end plates comprises a cast polymer.
The prosthetic intervertebral disc of claim 4 wherein the compressible core member is wound with fibers and wherein the wound compressible core member is made adherent to the at least one of the first and second end plates by providing a flowable polymer to the wound compressible core member to cast that least one of the first and second end plates.
A prosthetic intervertebral disc comprising:
- first and second end plates engaged to each other, and
- a compressible core member positioned between said first and second end plates, wherein at least one of the first and second end plates comprises a cast polymer.
A prosthetic intervertebral disc comprising:
- a first end plate,
- a second end plate, and
- a compressible core member positioned between said first and second end plates,
- a peripheral core member positioned substantially peripheral to the compressible core member and extending between the first end and second end plates, and
- wherein at least one of the first and second end plates comprises a cast polymer, and
- wherein the peripheral core member is made adherent to the at least one of the first and second end plates by providing a flowable polymer to the peripheral core member to cast that least one of the first and second end plates.
Dependencies are inferred from the claim text.